STM32F215RG datasheet(116/175 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F21xxx

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USB OTG FS characteristics

The USB OTG interface is USB-IF certified (Full-Spee

d). This interface is present in both

the USB OTG HS and USB OTG FS controllers.

Table 55. USB OTG FS startup time

Symbol

Parameter

Max

Unit

tSTARTUP(1)

1. Guaranteed by design, not tested in production.

USB OTG FS transceiver startup time

µs

Table 56. USB OTG FS DC electrical characteristics

Symbol

Parameter

Conditions

Min.(1)

1. All the voltages are measured from the local ground potential.

Typ. Max.(1) Unit

Input

levels

VDD

USB OTG FS operating

voltage

3.0(2)

2. The STM32F215xx and STM32F217xx USB OTG FS functionality is ensured down to 2.7 V but not the full

USB OTG FS electrical characteristics which are degraded in the 2.7-to-3.0 V VDD voltage range.

-3.6

VDI(3)

3. Guaranteed by design, not tested in production.

Differential input sensitivity

I(USB_FS_DP/DM,

USB_HS_DP/DM)

0.2

VCM(3)

Differential common mode

range

Includes VDI range

0.8

2.5

VSE(3)

Single ended receiver

threshold

1.3

2.0

Output

levels

VOL Static output level low

RL of 1.5 kΩ to 3.6 V(4)

4. RL is the load connected on the USB OTG FS drivers

0.3

VOH Static output level high

RL of 15 kΩ to VSS(4)

2.8

3.6

RPD

PA11, PA12, PB14, PB15

(USB_FS_DP/DM,

USB_HS_DP/DM)

VIN = VDD

PA9, PB13

(OTG_FS_VBUS,

OTG_HS_VBUS)

0.65

1.1

2.0

RPU

PA12, PB15 (USB_FS_DP,

USB_HS_DP)

VIN = VSS

1.5

1.8

2.1

PA9, PB13

(OTG_FS_VBUS,

OTG_HS_VBUS)

VIN = VSS

0.25

0.37

0.55

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